Posts in Variable ND filter
Motorised variable ND filter for professional film productions

The novel Cinefade system synchronises the external iris motor of a professional camera system with a light transmission filter to vary depth-of-field in film.
The same light transmission filter can also be used individually as a motorised variable ND filter that is remotely controlled by a cmotion lens control system to allow for precise and fast exposure changes when the camera is inaccessible or when the creative brief calls for an exact T-stop to maintain a consistent depth-of-field.

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Easier focus pulls on tracking shots with Cinefade

Tracking shots at a shallow depth of field in which the camera tracks closer to the subject are notoriously hard for focus pullers to keep sharp, especially if the subject is also moving. A variable depth of field can be used to extend the depth of field when tracking towards the subject to give the focus puller a better chance of nailing critical focus.

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Combining Cinefade with a Dolly-Zoom shot

The Cinefade shot is often compared to the Dolly Zoom shot, also known as the Vertigo effect, Trombone shot, Zolly amongst many others. Although it is technically different, the comparison refers to the narrative motivation behind applying one of the two shots in a film: Accentuating a pivotal moment in the narrative.

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Variable ND filter for film

The cmotion Cinefade filter can be used as a motorised variable ND filter that is remotely controlled by a lens control system to allow for precise and fast exposure changes when the camera is inaccessible or when the creative brief calls for an exact T-stop to maintain a consistent depth-of-field.

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